Infinix Note 2 X600 dead help

y infinix note 2 x600 has gone dead a few days ago Ininix note 2 dead after flashed with X600-H532-A1-L-20160120 firmware….the big problem is it cant charge,it cant be detected by my laptop and i have installed the drivers for it it cant turn is this phone completely dead?,dis happened wen i flashed it with infinity box. flashing ok end so i took the phone and tried swiching it no on it didnt respond that is where all the problem started..i wil b thankful 4 ur help guys.